Bridge unit



FIG. 1 is a perspective view of a bridge unit showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is an end elevation thereof;

FIG. 4 is another end elevation thereof;

FIG. 5 is a cross-section view thereof taken along line 5-5 of FIG. 3;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is another perspective view thereof.

The dash broken lines shown in the drawings are for purposes ofillustrating portions of the bridge unit that form no part of theclaimed design. The dot-dash broken lines shown in the drawings depictthe boundaries of the claim.

CLAIM The ornamental design for a bridge unit, as shown and described.